Teltonika TRB256, 4G LTE Industrial NB-IoT Gateway - Global Version
The Teltonika TRB256 is a 4G LTE industrial gateway supporting LTE Cat M1, Cat NB2, and Cat NB1 mobile technologies. It is designed for industrial connectivity where cellular communication and reliable network access are required.
The gateway supports 3GPP Release 14 and includes two SIM card slots with automatic SIM switching. SIM switching can respond to weak signal, roaming, data or SMS limits, network unavailability, and connection failures.
The TRB256 provides one 10/100 Mbps Ethernet port with IEEE 802.3, IEEE 802.3u, and IEEE 802.3az standards. Its routing functions include static routing, BGP, OSPF, RIP, EIGRP, NHRP, and policy-based routing.
For network management and security, the gateway supports IPv4, IPv6, TCP, UDP, DHCP, DNS, HTTP/HTTPS, SSH, MQTT, and SNMP. Firewall functions include port forwarding, traffic rules, NAT, DMZ, and NAT64, while VLAN and QoS features support network separation and traffic prioritization.
The TRB256 also supports multiple VPN technologies, network failover, industrial protocols, MODBUS communication, hotspot management, and data transfer to servers. Security functions include X.509 certificates, RADIUS, TACACS+, DDoS protection, and access control, making it suitable for industrial networking and connected equipment applications.
Key Features
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4G LTE Cat M1, Cat NB2 and Cat NB1 mobile technology
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3GPP Release 14 support
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2 × SIM cards with automatic SIM switching
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LTE Cat M1 speeds up to 588 kbps download / 1119 kbps upload
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LTE Cat NB2 speeds up to 127 kbps download / 158.5 kbps upload
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LTE Cat NB1 speeds up to 32 kbps download / 70 kbps upload
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1 × 10/100 Mbps Ethernet port
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Static routing, BGP, OSPF, RIP, EIGRP, NHRP and policy-based routing
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OpenVPN, IPsec, GRE, L2TP, DMVPN, WireGuard, ZeroTier, SSTP and Tinc
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BACnet, OPC UA, MODBUS, DNP3 and DLMS/COSEM industrial protocols
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HTTP(S), MQTT and Azure MQTT data-to-server support
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X.509 certificates, RADIUS, TACACS+, DDoS protection and access control
Specifications
| Mobile Technology |
4G LTE Cat M1, Cat NB2 and Cat NB1 |
| 3GPP Release |
Release 14 |
| SIM Support |
2 × SIM cards with automatic SIM switching |
| SIM Switching |
Automatic switching based on weak signal, roaming, data/SMS limits, no network and connection failure |
| LTE Cat M1 Speed |
Up to 588 kbps download / 1119 kbps upload |
| LTE Cat NB2 Speed |
Up to 127 kbps download / 158.5 kbps upload |
| LTE Cat NB1 Speed |
Up to 32 kbps download / 70 kbps upload |
| Ethernet |
1 × 10/100 Mbps Ethernet port |
| Ethernet Standards |
IEEE 802.3, IEEE 802.3u, IEEE 802.3az |
| Routing |
Static routing, BGP, OSPF, RIP, EIGRP, NHRP and policy-based routing |
| Network Support |
IPv4, IPv6, TCP, UDP, DHCP, DNS, HTTP/HTTPS, SSH, MQTT, SNMP and more |
| Firewall |
Port forwarding, traffic rules, NAT, DMZ and NAT64 |
| VLAN |
Tag-based VLAN separation |
| VPN |
OpenVPN, IPsec, GRE, L2TP, DMVPN, WireGuard, ZeroTier, SSTP and Tinc |
| Hotspot |
Captive portal with RADIUS, SSO and user management |
| QoS |
Traffic prioritization and Smart Queue Management |
| Network Failover |
VRRP, wired and mobile failover |
| Industrial Protocols |
BACnet, OPC UA, MODBUS, DNP3 and DLMS/COSEM |
| MODBUS Support |
RTU via RS232/RS485 and TCP |
| Data to Server |
HTTP(S), MQTT and Azure MQTT |
| Security |
X.509 certificates, RADIUS, TACACS+, DDoS protection and access control |
